arch/arm/mach-ux500/board-mop500.c

   1
   2 /*
   3  * Copyright (C) 2008-2009 ST-Ericsson
   4  *
   5  * Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2, as
   9  * published by the Free Software Foundation.
  10  *
  11  */
  12 #include <linux/kernel.h>
  13 #include <linux/init.h>
  14 #include <linux/interrupt.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/io.h>
  17 #include <linux/i2c.h>
  18 #include <linux/gpio.h>
  19 #include <linux/amba/bus.h>
  20 #include <linux/amba/pl022.h>
  21 #include <linux/amba/serial.h>
  22 #include <linux/spi/spi.h>
  23 #include <linux/mfd/abx500/ab8500.h>
  24 #include <linux/regulator/ab8500.h>
  25 #include <linux/mfd/tc3589x.h>
  26 #include <linux/mfd/tps6105x.h>
  27 #include <linux/mfd/abx500/ab8500-gpio.h>
  28 #include <linux/leds-lp5521.h>
  29 #include <linux/input.h>
  30 #include <linux/smsc911x.h>
  31 #include <linux/gpio_keys.h>
  32 #include <linux/delay.h>
  33 #include <linux/of.h>
  34 #include <linux/of_platform.h>
  35 #include <linux/leds.h>
  36 #include <linux/pinctrl/consumer.h>
  37
  38 #include <asm/mach-types.h>
  39 #include <asm/mach/arch.h>
  40 #include <asm/hardware/gic.h>
  41
  42 #include <plat/i2c.h>
  43 #include <plat/ste_dma40.h>
  44 #include <plat/gpio-nomadik.h>
  45
  46 #include <mach/hardware.h>
  47 #include <mach/setup.h>
  48 #include <mach/devices.h>
  49 #include <mach/irqs.h>
  50 #include <mach/crypto-ux500.h>
  51
  52 #include "ste-dma40-db8500.h"
  53 #include "devices-db8500.h"
  54 #include "board-mop500.h"
  55 #include "board-mop500-regulators.h"
  56 #include "board-mop500-msp.h"
  57
  58 static struct gpio_led snowball_led_array[] = {
  59         {
  60                 .name = "user_led",
  61                 .default_trigger = "none",
  62                 .gpio = 142,
  63         },
  64 };
  65
  66 static struct gpio_led_platform_data snowball_led_data = {
  67         .leds = snowball_led_array,
  68         .num_leds = ARRAY_SIZE(snowball_led_array),
  69 };
  70
  71 static struct platform_device snowball_led_dev = {
  72         .name = "leds-gpio",
  73         .dev = {
  74                 .platform_data = &snowball_led_data,
  75         },
  76 };
  77
  78 static struct ab8500_gpio_platform_data ab8500_gpio_pdata = {
  79         .gpio_base              = MOP500_AB8500_PIN_GPIO(1),
  80         .irq_base               = MOP500_AB8500_VIR_GPIO_IRQ_BASE,
  81         /* config_reg is the initial configuration of ab8500 pins.
  82          * The pins can be configured as GPIO or alt functions based
  83          * on value present in GpioSel1 to GpioSel6 and AlternatFunction
  84          * register. This is the array of 7 configuration settings.
  85          * One has to compile time decide these settings. Below is the
  86          * explanation of these setting
  87          * GpioSel1 = 0x00 => Pins GPIO1 to GPIO8 are not used as GPIO
  88          * GpioSel2 = 0x1E => Pins GPIO10 to GPIO13 are configured as GPIO
  89          * GpioSel3 = 0x80 => Pin GPIO24 is configured as GPIO
  90          * GpioSel4 = 0x01 => Pin GPIo25 is configured as GPIO
  91          * GpioSel5 = 0x7A => Pins GPIO34, GPIO36 to GPIO39 are conf as GPIO
  92          * GpioSel6 = 0x00 => Pins GPIO41 & GPIo42 are not configured as GPIO
  93          * AlternaFunction = 0x00 => If Pins GPIO10 to 13 are not configured
  94          * as GPIO then this register selectes the alternate fucntions
  95          */
  96         .config_reg             = {0x00, 0x1E, 0x80, 0x01,
  97                                         0x7A, 0x00, 0x00},
  98 };
  99
 100 static struct gpio_keys_button snowball_key_array[] = {
 101         {
 102                 .gpio           = 32,
 103                 .type           = EV_KEY,
 104                 .code           = KEY_1,
 105                 .desc           = "userpb",
 106                 .active_low     = 1,
 107                 .debounce_interval = 50,
 108                 .wakeup         = 1,
 109         },
 110         {
 111                 .gpio           = 151,
 112                 .type           = EV_KEY,
 113                 .code           = KEY_2,
 114                 .desc           = "extkb1",
 115                 .active_low     = 1,
 116                 .debounce_interval = 50,
 117                 .wakeup         = 1,
 118         },
 119         {
 120                 .gpio           = 152,
 121                 .type           = EV_KEY,
 122                 .code           = KEY_3,
 123                 .desc           = "extkb2",
 124                 .active_low     = 1,
 125                 .debounce_interval = 50,
 126                 .wakeup         = 1,
 127         },
 128         {
 129                 .gpio           = 161,
 130                 .type           = EV_KEY,
 131                 .code           = KEY_4,
 132                 .desc           = "extkb3",
 133                 .active_low     = 1,
 134                 .debounce_interval = 50,
 135                 .wakeup         = 1,
 136         },
 137         {
 138                 .gpio           = 162,
 139                 .type           = EV_KEY,
 140                 .code           = KEY_5,
 141                 .desc           = "extkb4",
 142                 .active_low     = 1,
 143                 .debounce_interval = 50,
 144                 .wakeup         = 1,
 145         },
 146 };
 147
 148 static struct gpio_keys_platform_data snowball_key_data = {
 149         .buttons        = snowball_key_array,
 150         .nbuttons       = ARRAY_SIZE(snowball_key_array),
 151 };
 152
 153 static struct platform_device snowball_key_dev = {
 154         .name           = "gpio-keys",
 155         .id             = -1,
 156         .dev            = {
 157                 .platform_data  = &snowball_key_data,
 158         }
 159 };
 160
 161 static struct smsc911x_platform_config snowball_sbnet_cfg = {
 162         .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
 163         .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
 164         .flags = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY,
 165         .shift = 1,
 166 };
 167
 168 static struct resource sbnet_res[] = {
 169         {
 170                 .name = "smsc911x-memory",
 171                 .start = (0x5000 << 16),
 172                 .end  =  (0x5000 << 16) + 0xffff,
 173                 .flags = IORESOURCE_MEM,
 174         },
 175         {
 176                 .start = NOMADIK_GPIO_TO_IRQ(140),
 177                 .end = NOMADIK_GPIO_TO_IRQ(140),
 178                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 179         },
 180 };
 181
 182 static struct platform_device snowball_sbnet_dev = {
 183         .name           = "smsc911x",
 184         .num_resources  = ARRAY_SIZE(sbnet_res),
 185         .resource       = sbnet_res,
 186         .dev            = {
 187                 .platform_data = &snowball_sbnet_cfg,
 188         },
 189 };
 190
 191 static struct ab8500_platform_data ab8500_platdata = {
 192         .irq_base       = MOP500_AB8500_IRQ_BASE,
 193         .regulator_reg_init = ab8500_regulator_reg_init,
 194         .num_regulator_reg_init = ARRAY_SIZE(ab8500_regulator_reg_init),
 195         .regulator      = ab8500_regulators,
 196         .num_regulator  = ARRAY_SIZE(ab8500_regulators),
 197         .gpio           = &ab8500_gpio_pdata,
 198 };
 199
 200 static struct resource ab8500_resources[] = {
 201         [0] = {
 202                 .start  = IRQ_DB8500_AB8500,
 203                 .end    = IRQ_DB8500_AB8500,
 204                 .flags  = IORESOURCE_IRQ
 205         }
 206 };
 207
 208 struct platform_device ab8500_device = {
 209         .name = "ab8500-i2c",
 210         .id = 0,
 211         .dev = {
 212                 .platform_data = &ab8500_platdata,
 213         },
 214         .num_resources = 1,
 215         .resource = ab8500_resources,
 216 };
 217
 218 /*
 219  * TPS61052
 220  */
 221
 222 static struct tps6105x_platform_data mop500_tps61052_data = {
 223         .mode = TPS6105X_MODE_VOLTAGE,
 224         .regulator_data = &tps61052_regulator,
 225 };
 226
 227 /*
 228  * TC35892
 229  */
 230
 231 static void mop500_tc35892_init(struct tc3589x *tc3589x, unsigned int base)
 232 {
 233         struct device *parent = NULL;
 234 #if 0
 235         /* FIXME: Is the sdi actually part of tc3589x? */
 236         parent = tc3589x->dev;
 237 #endif
 238         mop500_sdi_tc35892_init(parent);
 239 }
 240
 241 static struct tc3589x_gpio_platform_data mop500_tc35892_gpio_data = {
 242         .gpio_base      = MOP500_EGPIO(0),
 243         .setup          = mop500_tc35892_init,
 244 };
 245
 246 static struct tc3589x_platform_data mop500_tc35892_data = {
 247         .block          = TC3589x_BLOCK_GPIO,
 248         .gpio           = &mop500_tc35892_gpio_data,
 249         .irq_base       = MOP500_EGPIO_IRQ_BASE,
 250 };
 251
 252 static struct lp5521_led_config lp5521_pri_led[] = {
 253        [0] = {
 254                .chan_nr = 0,
 255                .led_current = 0x2f,
 256                .max_current = 0x5f,
 257        },
 258        [1] = {
 259                .chan_nr = 1,
 260                .led_current = 0x2f,
 261                .max_current = 0x5f,
 262        },
 263        [2] = {
 264                .chan_nr = 2,
 265                .led_current = 0x2f,
 266                .max_current = 0x5f,
 267        },
 268 };
 269
 270 static struct lp5521_platform_data __initdata lp5521_pri_data = {
 271        .label = "lp5521_pri",
 272        .led_config     = &lp5521_pri_led[0],
 273        .num_channels   = 3,
 274        .clock_mode     = LP5521_CLOCK_EXT,
 275 };
 276
 277 static struct lp5521_led_config lp5521_sec_led[] = {
 278        [0] = {
 279                .chan_nr = 0,
 280                .led_current = 0x2f,
 281                .max_current = 0x5f,
 282        },
 283        [1] = {
 284                .chan_nr = 1,
 285                .led_current = 0x2f,
 286                .max_current = 0x5f,
 287        },
 288        [2] = {
 289                .chan_nr = 2,
 290                .led_current = 0x2f,
 291                .max_current = 0x5f,
 292        },
 293 };
 294
 295 static struct lp5521_platform_data __initdata lp5521_sec_data = {
 296        .label = "lp5521_sec",
 297        .led_config     = &lp5521_sec_led[0],
 298        .num_channels   = 3,
 299        .clock_mode     = LP5521_CLOCK_EXT,
 300 };
 301
 302 static struct i2c_board_info __initdata mop500_i2c0_devices[] = {
 303         {
 304                 I2C_BOARD_INFO("tc3589x", 0x42),
 305                 .irq            = NOMADIK_GPIO_TO_IRQ(217),
 306                 .platform_data  = &mop500_tc35892_data,
 307         },
 308         /* I2C0 devices only available prior to HREFv60 */
 309         {
 310                 I2C_BOARD_INFO("tps61052", 0x33),
 311                 .platform_data  = &mop500_tps61052_data,
 312         },
 313 };
 314
 315 #define NUM_PRE_V60_I2C0_DEVICES 1
 316
 317 static struct i2c_board_info __initdata mop500_i2c2_devices[] = {
 318         {
 319                 /* lp5521 LED driver, 1st device */
 320                 I2C_BOARD_INFO("lp5521", 0x33),
 321                 .platform_data = &lp5521_pri_data,
 322         },
 323         {
 324                 /* lp5521 LED driver, 2st device */
 325                 I2C_BOARD_INFO("lp5521", 0x34),
 326                 .platform_data = &lp5521_sec_data,
 327         },
 328         {
 329                 /* Light sensor Rohm BH1780GLI */
 330                 I2C_BOARD_INFO("bh1780", 0x29),
 331         },
 332 };
 333
 334 #define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, t_out, _sm)    \
 335 static struct nmk_i2c_controller u8500_i2c##id##_data = { \
 336         /*                              \
 337          * slave data setup time, which is      \
 338          * 250 ns,100ns,10ns which is 14,6,2    \
 339          * respectively for a 48 Mhz    \
 340          * i2c clock                    \
 341          */                             \
 342         .slsu           = _slsu,        \
 343         /* Tx FIFO threshold */         \
 344         .tft            = _tft,         \
 345         /* Rx FIFO threshold */         \
 346         .rft            = _rft,         \
 347         /* std. mode operation */       \
 348         .clk_freq       = clk,          \
 349         /* Slave response timeout(ms) */\
 350         .timeout        = t_out,        \
 351         .sm             = _sm,          \
 352 }
 353
 354 /*
 355  * The board uses 4 i2c controllers, initialize all of
 356  * them with slave data setup time of 250 ns,
 357  * Tx & Rx FIFO threshold values as 8 and standard
 358  * mode of operation
 359  */
 360 U8500_I2C_CONTROLLER(0, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST);
 361 U8500_I2C_CONTROLLER(1, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST);
 362 U8500_I2C_CONTROLLER(2, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST);
 363 U8500_I2C_CONTROLLER(3, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST);
 364
 365 static void __init mop500_i2c_init(struct device *parent)
 366 {
 367         db8500_add_i2c0(parent, &u8500_i2c0_data);
 368         db8500_add_i2c1(parent, &u8500_i2c1_data);
 369         db8500_add_i2c2(parent, &u8500_i2c2_data);
 370         db8500_add_i2c3(parent, &u8500_i2c3_data);
 371 }
 372
 373 static struct gpio_keys_button mop500_gpio_keys[] = {
 374         {
 375                 .desc                   = "SFH7741 Proximity Sensor",
 376                 .type                   = EV_SW,
 377                 .code                   = SW_FRONT_PROXIMITY,
 378                 .active_low             = 0,
 379                 .can_disable            = 1,
 380         }
 381 };
 382
 383 static struct regulator *prox_regulator;
 384 static int mop500_prox_activate(struct device *dev);
 385 static void mop500_prox_deactivate(struct device *dev);
 386
 387 static struct gpio_keys_platform_data mop500_gpio_keys_data = {
 388         .buttons        = mop500_gpio_keys,
 389         .nbuttons       = ARRAY_SIZE(mop500_gpio_keys),
 390         .enable         = mop500_prox_activate,
 391         .disable        = mop500_prox_deactivate,
 392 };
 393
 394 static struct platform_device mop500_gpio_keys_device = {
 395         .name   = "gpio-keys",
 396         .id     = 0,
 397         .dev    = {
 398                 .platform_data  = &mop500_gpio_keys_data,
 399         },
 400 };
 401
 402 static int mop500_prox_activate(struct device *dev)
 403 {
 404         prox_regulator = regulator_get(&mop500_gpio_keys_device.dev,
 405                                                 "vcc");
 406         if (IS_ERR(prox_regulator)) {
 407                 dev_err(&mop500_gpio_keys_device.dev,
 408                         "no regulator\n");
 409                 return PTR_ERR(prox_regulator);
 410         }
 411         regulator_enable(prox_regulator);
 412         return 0;
 413 }
 414
 415 static void mop500_prox_deactivate(struct device *dev)
 416 {
 417         regulator_disable(prox_regulator);
 418         regulator_put(prox_regulator);
 419 }
 420
 421 static struct cryp_platform_data u8500_cryp1_platform_data = {
 422                 .mem_to_engine = {
 423                                 .dir = STEDMA40_MEM_TO_PERIPH,
 424                                 .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
 425                                 .dst_dev_type = DB8500_DMA_DEV48_CAC1_TX,
 426                                 .src_info.data_width = STEDMA40_WORD_WIDTH,
 427                                 .dst_info.data_width = STEDMA40_WORD_WIDTH,
 428                                 .mode = STEDMA40_MODE_LOGICAL,
 429                                 .src_info.psize = STEDMA40_PSIZE_LOG_4,
 430                                 .dst_info.psize = STEDMA40_PSIZE_LOG_4,
 431                 },
 432                 .engine_to_mem = {
 433                                 .dir = STEDMA40_PERIPH_TO_MEM,
 434                                 .src_dev_type = DB8500_DMA_DEV48_CAC1_RX,
 435                                 .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
 436                                 .src_info.data_width = STEDMA40_WORD_WIDTH,
 437                                 .dst_info.data_width = STEDMA40_WORD_WIDTH,
 438                                 .mode = STEDMA40_MODE_LOGICAL,
 439                                 .src_info.psize = STEDMA40_PSIZE_LOG_4,
 440                                 .dst_info.psize = STEDMA40_PSIZE_LOG_4,
 441                 }
 442 };
 443
 444 static struct stedma40_chan_cfg u8500_hash_dma_cfg_tx = {
 445                 .dir = STEDMA40_MEM_TO_PERIPH,
 446                 .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
 447                 .dst_dev_type = DB8500_DMA_DEV50_HAC1_TX,
 448                 .src_info.data_width = STEDMA40_WORD_WIDTH,
 449                 .dst_info.data_width = STEDMA40_WORD_WIDTH,
 450                 .mode = STEDMA40_MODE_LOGICAL,
 451                 .src_info.psize = STEDMA40_PSIZE_LOG_16,
 452                 .dst_info.psize = STEDMA40_PSIZE_LOG_16,
 453 };
 454
 455 static struct hash_platform_data u8500_hash1_platform_data = {
 456                 .mem_to_engine = &u8500_hash_dma_cfg_tx,
 457                 .dma_filter = stedma40_filter,
 458 };
 459
 460 /* add any platform devices here - TODO */
 461 static struct platform_device *mop500_platform_devs[] __initdata = {
 462         &mop500_gpio_keys_device,
 463         &ab8500_device,
 464 };
 465
 466 #ifdef CONFIG_STE_DMA40
 467 static struct stedma40_chan_cfg ssp0_dma_cfg_rx = {
 468         .mode = STEDMA40_MODE_LOGICAL,
 469         .dir = STEDMA40_PERIPH_TO_MEM,
 470         .src_dev_type =  DB8500_DMA_DEV8_SSP0_RX,
 471         .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
 472         .src_info.data_width = STEDMA40_BYTE_WIDTH,
 473         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
 474 };
 475
 476 static struct stedma40_chan_cfg ssp0_dma_cfg_tx = {
 477         .mode = STEDMA40_MODE_LOGICAL,
 478         .dir = STEDMA40_MEM_TO_PERIPH,
 479         .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
 480         .dst_dev_type = DB8500_DMA_DEV8_SSP0_TX,
 481         .src_info.data_width = STEDMA40_BYTE_WIDTH,
 482         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
 483 };
 484 #endif
 485
 486 static struct pl022_ssp_controller ssp0_plat = {
 487         .bus_id = 0,
 488 #ifdef CONFIG_STE_DMA40
 489         .enable_dma = 1,
 490         .dma_filter = stedma40_filter,
 491         .dma_rx_param = &ssp0_dma_cfg_rx,
 492         .dma_tx_param = &ssp0_dma_cfg_tx,
 493 #else
 494         .enable_dma = 0,
 495 #endif
 496         /* on this platform, gpio 31,142,144,214 &
 497          * 224 are connected as chip selects
 498          */
 499         .num_chipselect = 5,
 500 };
 501
 502 static void __init mop500_spi_init(struct device *parent)
 503 {
 504         db8500_add_ssp0(parent, &ssp0_plat);
 505 }
 506
 507 #ifdef CONFIG_STE_DMA40
 508 static struct stedma40_chan_cfg uart0_dma_cfg_rx = {
 509         .mode = STEDMA40_MODE_LOGICAL,
 510         .dir = STEDMA40_PERIPH_TO_MEM,
 511         .src_dev_type =  DB8500_DMA_DEV13_UART0_RX,
 512         .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
 513         .src_info.data_width = STEDMA40_BYTE_WIDTH,
 514         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
 515 };
 516
 517 static struct stedma40_chan_cfg uart0_dma_cfg_tx = {
 518         .mode = STEDMA40_MODE_LOGICAL,
 519         .dir = STEDMA40_MEM_TO_PERIPH,
 520         .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
 521         .dst_dev_type = DB8500_DMA_DEV13_UART0_TX,
 522         .src_info.data_width = STEDMA40_BYTE_WIDTH,
 523         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
 524 };
 525
 526 static struct stedma40_chan_cfg uart1_dma_cfg_rx = {
 527         .mode = STEDMA40_MODE_LOGICAL,
 528         .dir = STEDMA40_PERIPH_TO_MEM,
 529         .src_dev_type =  DB8500_DMA_DEV12_UART1_RX,
 530         .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
 531         .src_info.data_width = STEDMA40_BYTE_WIDTH,
 532         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
 533 };
 534
 535 static struct stedma40_chan_cfg uart1_dma_cfg_tx = {
 536         .mode = STEDMA40_MODE_LOGICAL,
 537         .dir = STEDMA40_MEM_TO_PERIPH,
 538         .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
 539         .dst_dev_type = DB8500_DMA_DEV12_UART1_TX,
 540         .src_info.data_width = STEDMA40_BYTE_WIDTH,
 541         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
 542 };
 543
 544 static struct stedma40_chan_cfg uart2_dma_cfg_rx = {
 545         .mode = STEDMA40_MODE_LOGICAL,
 546         .dir = STEDMA40_PERIPH_TO_MEM,
 547         .src_dev_type =  DB8500_DMA_DEV11_UART2_RX,
 548         .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
 549         .src_info.data_width = STEDMA40_BYTE_WIDTH,
 550         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
 551 };
 552
 553 static struct stedma40_chan_cfg uart2_dma_cfg_tx = {
 554         .mode = STEDMA40_MODE_LOGICAL,
 555         .dir = STEDMA40_MEM_TO_PERIPH,
 556         .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
 557         .dst_dev_type = DB8500_DMA_DEV11_UART2_TX,
 558         .src_info.data_width = STEDMA40_BYTE_WIDTH,
 559         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
 560 };
 561 #endif
 562
 563 #define PRCC_K_SOFTRST_SET      0x18
 564 #define PRCC_K_SOFTRST_CLEAR    0x1C
 565 static void ux500_uart0_reset(void)
 566 {
 567         void __iomem *prcc_rst_set, *prcc_rst_clr;
 568
 569         prcc_rst_set = (void __iomem *)IO_ADDRESS(U8500_CLKRST1_BASE +
 570                         PRCC_K_SOFTRST_SET);
 571         prcc_rst_clr = (void __iomem *)IO_ADDRESS(U8500_CLKRST1_BASE +
 572                         PRCC_K_SOFTRST_CLEAR);
 573
 574         /* Activate soft reset PRCC_K_SOFTRST_CLEAR */
 575         writel((readl(prcc_rst_clr) | 0x1), prcc_rst_clr);
 576         udelay(1);
 577
 578         /* Release soft reset PRCC_K_SOFTRST_SET */
 579         writel((readl(prcc_rst_set) | 0x1), prcc_rst_set);
 580         udelay(1);
 581 }
 582
 583 /* This needs to be referenced by callbacks */
 584 struct pinctrl *u0_p;
 585 struct pinctrl_state *u0_def;
 586 struct pinctrl_state *u0_sleep;
 587
 588 static void ux500_uart0_init(void)
 589 {
 590         int ret;
 591
 592         if (IS_ERR(u0_p) || IS_ERR(u0_def))
 593                 return;
 594
 595         ret = pinctrl_select_state(u0_p, u0_def);
 596         if (ret)
 597                 pr_err("could not set UART0 defstate\n");
 598 }
 599
 600 static void ux500_uart0_exit(void)
 601 {
 602         int ret;
 603
 604         if (IS_ERR(u0_p) || IS_ERR(u0_sleep))
 605                 return;
 606
 607         ret = pinctrl_select_state(u0_p, u0_sleep);
 608         if (ret)
 609                 pr_err("could not set UART0 idlestate\n");
 610 }
 611
 612 static struct amba_pl011_data uart0_plat = {
 613 #ifdef CONFIG_STE_DMA40
 614         .dma_filter = stedma40_filter,
 615         .dma_rx_param = &uart0_dma_cfg_rx,
 616         .dma_tx_param = &uart0_dma_cfg_tx,
 617 #endif
 618         .init = ux500_uart0_init,
 619         .exit = ux500_uart0_exit,
 620         .reset = ux500_uart0_reset,
 621 };
 622
 623 static struct amba_pl011_data uart1_plat = {
 624 #ifdef CONFIG_STE_DMA40
 625         .dma_filter = stedma40_filter,
 626         .dma_rx_param = &uart1_dma_cfg_rx,
 627         .dma_tx_param = &uart1_dma_cfg_tx,
 628 #endif
 629 };
 630
 631 static struct amba_pl011_data uart2_plat = {
 632 #ifdef CONFIG_STE_DMA40
 633         .dma_filter = stedma40_filter,
 634         .dma_rx_param = &uart2_dma_cfg_rx,
 635         .dma_tx_param = &uart2_dma_cfg_tx,
 636 #endif
 637 };
 638
 639 static void __init mop500_uart_init(struct device *parent)
 640 {
 641         struct amba_device *uart0_device;
 642
 643         uart0_device = db8500_add_uart0(parent, &uart0_plat);
 644         if (uart0_device) {
 645                 u0_p = pinctrl_get(&uart0_device->dev);
 646                 if (IS_ERR(u0_p))
 647                         dev_err(&uart0_device->dev,
 648                                 "could not get UART0 pinctrl\n");
 649                 else {
 650                         u0_def = pinctrl_lookup_state(u0_p,
 651                                                       PINCTRL_STATE_DEFAULT);
 652                         if (IS_ERR(u0_def)) {
 653                                 dev_err(&uart0_device->dev,
 654                                         "could not get UART0 defstate\n");
 655                         }
 656                         u0_sleep = pinctrl_lookup_state(u0_p,
 657                                                         PINCTRL_STATE_SLEEP);
 658                         if (IS_ERR(u0_sleep))
 659                                 dev_err(&uart0_device->dev,
 660                                         "could not get UART0 idlestate\n");
 661                 }
 662         }
 663         db8500_add_uart1(parent, &uart1_plat);
 664         db8500_add_uart2(parent, &uart2_plat);
 665 }
 666
 667 static void __init u8500_cryp1_hash1_init(struct device *parent)
 668 {
 669         db8500_add_cryp1(parent, &u8500_cryp1_platform_data);
 670         db8500_add_hash1(parent, &u8500_hash1_platform_data);
 671 }
 672
 673 static struct platform_device *snowball_platform_devs[] __initdata = {
 674         &snowball_led_dev,
 675         &snowball_key_dev,
 676         &ab8500_device,
 677 };
 678
 679 static void __init mop500_init_machine(void)
 680 {
 681         struct device *parent = NULL;
 682         int i2c0_devs;
 683         int i;
 684
 685         mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;
 686
 687         mop500_pinmaps_init();
 688         parent = u8500_init_devices();
 689
 690         /* FIXME: parent of ab8500 should be prcmu */
 691         for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
 692                 mop500_platform_devs[i]->dev.parent = parent;
 693
 694         platform_add_devices(mop500_platform_devs,
 695                         ARRAY_SIZE(mop500_platform_devs));
 696
 697         mop500_i2c_init(parent);
 698         mop500_sdi_init(parent);
 699         mop500_spi_init(parent);
 700         mop500_msp_init(parent);
 701         mop500_uart_init(parent);
 702
 703         u8500_cryp1_hash1_init(parent);
 704
 705         i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
 706
 707         i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
 708         i2c_register_board_info(2, mop500_i2c2_devices,
 709                                 ARRAY_SIZE(mop500_i2c2_devices));
 710
 711         /* This board has full regulator constraints */
 712         regulator_has_full_constraints();
 713 }
 714
 715 static void __init snowball_init_machine(void)
 716 {
 717         struct device *parent = NULL;
 718         int i;
 719
 720         snowball_pinmaps_init();
 721         parent = u8500_init_devices();
 722
 723         for (i = 0; i < ARRAY_SIZE(snowball_platform_devs); i++)
 724                 snowball_platform_devs[i]->dev.parent = parent;
 725
 726         platform_add_devices(snowball_platform_devs,
 727                         ARRAY_SIZE(snowball_platform_devs));
 728
 729         mop500_i2c_init(parent);
 730         snowball_sdi_init(parent);
 731         mop500_spi_init(parent);
 732         mop500_msp_init(parent);
 733         mop500_uart_init(parent);
 734
 735         /* This board has full regulator constraints */
 736         regulator_has_full_constraints();
 737 }
 738
 739 static void __init hrefv60_init_machine(void)
 740 {
 741         struct device *parent = NULL;
 742         int i2c0_devs;
 743         int i;
 744
 745         /*
 746          * The HREFv60 board removed a GPIO expander and routed
 747          * all these GPIO pins to the internal GPIO controller
 748          * instead.
 749          */
 750         mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO;
 751
 752         hrefv60_pinmaps_init();
 753         parent = u8500_init_devices();
 754
 755         for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
 756                 mop500_platform_devs[i]->dev.parent = parent;
 757
 758         platform_add_devices(mop500_platform_devs,
 759                         ARRAY_SIZE(mop500_platform_devs));
 760
 761         mop500_i2c_init(parent);
 762         hrefv60_sdi_init(parent);
 763         mop500_spi_init(parent);
 764         mop500_msp_init(parent);
 765         mop500_uart_init(parent);
 766
 767         i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
 768
 769         i2c0_devs -= NUM_PRE_V60_I2C0_DEVICES;
 770
 771         i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
 772         i2c_register_board_info(2, mop500_i2c2_devices,
 773                                 ARRAY_SIZE(mop500_i2c2_devices));
 774
 775         /* This board has full regulator constraints */
 776         regulator_has_full_constraints();
 777 }
 778
 779 MACHINE_START(U8500, "ST-Ericsson MOP500 platform")
 780         /* Maintainer: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> */
 781         .atag_offset    = 0x100,
 782         .map_io         = u8500_map_io,
 783         .init_irq       = ux500_init_irq,
 784         /* we re-use nomadik timer here */
 785         .timer          = &ux500_timer,
 786         .handle_irq     = gic_handle_irq,
 787         .init_machine   = mop500_init_machine,
 788 MACHINE_END
 789
 790 MACHINE_START(HREFV60, "ST-Ericsson U8500 Platform HREFv60+")
 791         .atag_offset    = 0x100,
 792         .map_io         = u8500_map_io,
 793         .init_irq       = ux500_init_irq,
 794         .timer          = &ux500_timer,
 795         .handle_irq     = gic_handle_irq,
 796         .init_machine   = hrefv60_init_machine,
 797 MACHINE_END
 798
 799 MACHINE_START(SNOWBALL, "Calao Systems Snowball platform")
 800         .atag_offset    = 0x100,
 801         .map_io         = u8500_map_io,
 802         .init_irq       = ux500_init_irq,
 803         /* we re-use nomadik timer here */
 804         .timer          = &ux500_timer,
 805         .handle_irq     = gic_handle_irq,
 806         .init_machine   = snowball_init_machine,
 807 MACHINE_END
 808
 809 #ifdef CONFIG_MACH_UX500_DT
 810
 811 struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = {
 812         /* Requires DMA and call-back bindings. */
 813         OF_DEV_AUXDATA("arm,pl011", 0x80120000, "uart0", &uart0_plat),
 814         OF_DEV_AUXDATA("arm,pl011", 0x80121000, "uart1", &uart1_plat),
 815         OF_DEV_AUXDATA("arm,pl011", 0x80007000, "uart2", &uart2_plat),
 816         /* Requires DMA bindings. */
 817         OF_DEV_AUXDATA("arm,pl022", 0x80002000, "ssp0",  &ssp0_plat),
 818         /* Requires clock name bindings. */
 819         OF_DEV_AUXDATA("st,nomadik-gpio", 0x8012e000, "gpio.0", NULL),
 820         OF_DEV_AUXDATA("st,nomadik-gpio", 0x8012e080, "gpio.1", NULL),
 821         OF_DEV_AUXDATA("st,nomadik-gpio", 0x8000e000, "gpio.2", NULL),
 822         OF_DEV_AUXDATA("st,nomadik-gpio", 0x8000e080, "gpio.3", NULL),
 823         OF_DEV_AUXDATA("st,nomadik-gpio", 0x8000e100, "gpio.4", NULL),
 824         OF_DEV_AUXDATA("st,nomadik-gpio", 0x8000e180, "gpio.5", NULL),
 825         OF_DEV_AUXDATA("st,nomadik-gpio", 0x8011e000, "gpio.6", NULL),
 826         OF_DEV_AUXDATA("st,nomadik-gpio", 0x8011e080, "gpio.7", NULL),
 827         OF_DEV_AUXDATA("st,nomadik-gpio", 0xa03fe000, "gpio.8", NULL),
 828         {},
 829 };
 830
 831 static const struct of_device_id u8500_local_bus_nodes[] = {
 832         /* only create devices below soc node */
 833         { .compatible = "stericsson,db8500", },
 834         { .compatible = "simple-bus"},
 835         { },
 836 };
 837
 838 static void __init u8500_init_machine(void)
 839 {
 840         struct device *parent = NULL;
 841         int i2c0_devs;
 842         int i;
 843
 844         /* Pinmaps must be in place before devices register */
 845         if (of_machine_is_compatible("st-ericsson,mop500"))
 846                 mop500_pinmaps_init();
 847         else if (of_machine_is_compatible("calaosystems,snowball-a9500"))
 848                 snowball_pinmaps_init();
 849         else if (of_machine_is_compatible("st-ericsson,hrefv60+"))
 850                 hrefv60_pinmaps_init();
 851
 852         parent = u8500_init_devices();
 853
 854         for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
 855                 mop500_platform_devs[i]->dev.parent = parent;
 856         for (i = 0; i < ARRAY_SIZE(snowball_platform_devs); i++)
 857                 snowball_platform_devs[i]->dev.parent = parent;
 858
 859         /* automatically probe child nodes of db8500 device */
 860         of_platform_populate(NULL, u8500_local_bus_nodes, u8500_auxdata_lookup, parent);
 861
 862         if (of_machine_is_compatible("st-ericsson,mop500")) {
 863                 mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;
 864
 865                 platform_add_devices(mop500_platform_devs,
 866                                 ARRAY_SIZE(mop500_platform_devs));
 867
 868                 mop500_sdi_init(parent);
 869
 870                 i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
 871                 i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
 872                 i2c_register_board_info(2, mop500_i2c2_devices,
 873                                         ARRAY_SIZE(mop500_i2c2_devices));
 874
 875         } else if (of_machine_is_compatible("calaosystems,snowball-a9500")) {
 876                 platform_add_devices(snowball_platform_devs,
 877                                 ARRAY_SIZE(snowball_platform_devs));
 878
 879                 snowball_sdi_init(parent);
 880         } else if (of_machine_is_compatible("st-ericsson,hrefv60+")) {
 881                 /*
 882                  * The HREFv60 board removed a GPIO expander and routed
 883                  * all these GPIO pins to the internal GPIO controller
 884                  * instead.
 885                  */
 886                 mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO;
 887                 platform_add_devices(mop500_platform_devs,
 888                                 ARRAY_SIZE(mop500_platform_devs));
 889
 890                 hrefv60_sdi_init(parent);
 891
 892                 i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
 893                 i2c0_devs -= NUM_PRE_V60_I2C0_DEVICES;
 894
 895                 i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
 896                 i2c_register_board_info(2, mop500_i2c2_devices,
 897                                         ARRAY_SIZE(mop500_i2c2_devices));
 898         }
 899         mop500_i2c_init(parent);
 900
 901         /* This board has full regulator constraints */
 902         regulator_has_full_constraints();
 903 }
 904
 905 static const char * u8500_dt_board_compat[] = {
 906         "calaosystems,snowball-a9500",
 907         "st-ericsson,hrefv60+",
 908         "st-ericsson,u8500",
 909         "st-ericsson,mop500",
 910         NULL,
 911 };
 912
 913
 914 DT_MACHINE_START(U8500_DT, "ST-Ericsson U8500 platform (Device Tree Support)")
 915         .map_io         = u8500_map_io,
 916         .init_irq       = ux500_init_irq,
 917         /* we re-use nomadik timer here */
 918         .timer          = &ux500_timer,
 919         .handle_irq     = gic_handle_irq,
 920         .init_machine   = u8500_init_machine,
 921         .dt_compat      = u8500_dt_board_compat,
 922 MACHINE_END
 923 #endif